Practice Page
Directions: Using the GIVEN information, draw a conclusion and support it with a REASON (definition, theorem or postulate). It may be the case that more than one conclusion is possible (but only one possible solution will be stated here).

1.
PreProof1
Given: ∠B is a right angle
Conclusion:

Reason:

 

 

2.
preproof2
 Given: preproof2mathintersect at E.
Conclusion:

Reason:

 

 

3.
PreProof3
Given: preproof3math
Conclusion:

Reason:

 

 

4.
preproof4
Given: ∠1 and ∠2 are complementary
Conclusion:

Reason:

 

 

5.
preproof5
 Given: cdN
Conclusion:

Reason:

 

 

6.
preproof6
Given: preproofmath6
Conclusion:

Reason:

 

 

7.
preproof7
Given: ΔADB is isosceles, base preproof7math
Conclusion:

Reason:

 

 

8.
preproof8
Given: ∠1 congruent ∠2
Conclusion:

Reason:

 

 

9.
preproof9
Given: mid-segment preproog9math
Conclusion:

Reason:

 

 

10.
preproof10
Given: ΔSTP
Conclusion:

Reason:

 


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